CVE-2022-43755 : What You Need to Know
Learn about CVE-2022-43755 affecting SUSE Rancher versions prior to 2.6.10 and 2.7.1. Discover the impact, technical details, and mitigation steps for this High severity vulnerability.
A security vulnerability has been identified in SUSE Rancher that allows attackers to exploit non-random authentication tokens, impacting versions prior to 2.6.10 and 2.7.1 of the software.
Understanding CVE-2022-43755
This vulnerability in SUSE Rancher stems from an Insufficient Entropy flaw, enabling threat actors with access to the cattle-token to persist in their malicious activities post token renewal.
What is CVE-2022-43755?
The vulnerability, tracked as CVE-2022-43755, affects SUSE Rancher versions prior to 2.6.10 and 2.7.1, allowing threat actors to abuse authentication tokens lacking randomness.
The Impact of CVE-2022-43755
With a base severity rating of 7.1 (High) under CVSS v3.1 metrics, the vulnerability poses a significant risk, with high confidentiality and availability impacts.
Technical Details of CVE-2022-43755
The security flaw is categorized under CWE-331: Insufficient Entropy, with a CVSS v3.1 score of 7.1 (High).
Vulnerability Description
The issue enables attackers with knowledge of the cattle-token to exploit it persistently, compromising the security of affected systems.
Affected Systems and Versions
SUSE Rancher versions prior to 2.6.10 and 2.7.1 are vulnerable to this non-random authentication token flaw.
Exploitation Mechanism
Threat actors can continue abusing the cattle-token even after it has been renewed, allowing for prolonged unauthorized access.
Mitigation and Prevention
To mitigate the risks posed by CVE-2022-43755, immediate steps should be taken to secure vulnerable systems and implement necessary patches and updates.
Immediate Steps to Take
Users are advised to update SUSE Rancher to versions 2.6.10 or 2.7.1 to address the vulnerability and enhance system security.
Long-Term Security Practices
Regularly monitor and update authentication mechanisms to prevent unauthorized access and enhance overall system security.
Patching and Updates
Ensure timely installation of security patches and updates to safeguard systems against known vulnerabilities and threats.